7720465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 9977040

約数和(自身を除く): 2256575

約数列:

[1, 5, 17, 61, 85, 305, 1037, 1489, 5185, 7445, 25313, 90829, 126565, 454145, 1544093, 7720465]

約数ペア:

[(1, 7720465), (5, 1544093), (17, 454145), (61, 126565), (85, 90829), (305, 25313), (1037, 7445), (1489, 5185)]